Valve means for double-acting pumps,申请号US19430493960-传众专利搜索

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发明名称	Valve means for double-acting pumps
摘要
申请公布号	US2366080(A)	申请公布日期	1944.12.26
申请号	US19430493960	申请日期	1943.07.09
申请人	DOWTY EQUIPMENT (CANADA) LIMITED	发明人	WINGATE THOMAS R.
分类号	F04B53/12;F16J15/16	主分类号	F04B53/12
代理机构		代理人
主权项
地址

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